InChI=1S/C22H29NO9/c24-14-12-13(6-2-3-7-16(25)23-10-4-1-5-11-23)8-9-15(14)31-22-19(28)17(26)18(27)20(32-22)21(29)30/h3,7-9,12,17-20,22,24,26-28H,1-2,4-6,10-11H2,(H,29,30)/b7-3+